The sum of the elements of an int array recursively calculated as follows: The sum of an array of size 0 is 0; Otherwise, the sum of the first n elements of an array is the sum of the last of these added to the sum of the previous n-1 elements. Write an int method named sum that accepts an int array, and the number of elements in the array and returns the sum of the elements of the array.

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.